![]() ![]() A 9mm bullet normally costs as little as 14 cents per round. The 9mm is also a popular choice for the military and police departments because it’s – frankly – cheap. The standard 9x19mm Parabellum has a standardized case length of 19.15mm, or about ¾ an inch, which is just about a tenth of an inch shorter than the. The case length of different 9mm cartridges can vary from 17 to 25 mm. The weight of a 9mm round can vary significantly – from 115 to 147 grains – giving users a wide variety of options, and delivering ballistic energy anywhere from 355 to 455 ft-lbs. 45 ACP but with the benefit of increased magazine capacity over those two cartridges. Modern 9mm design innovations give it similar ballistics to the. This keeps its penetration within acceptable depths but provides stopping power well beyond reasonable handgun range. ![]() For one, the design of the 9mm round enables it to lose less than 10% of its velocity at 100 yards, so the round delivers well within its optimal operating window. The 9mm has maintained its popularity for several reasons. ![]()
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